Synchronous Motors A synchronous motor runs at only one speed because it ______ Is a doubly fed machine Has no losses None of the listed here Has a damper winding Is a doubly fed machine Has no losses None of the listed here Has a damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 1% Zero 0.5% Positive 1% Zero 0.5% Positive ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Power factor angle Angle of retardation Synchronising angle Torque angle Power factor angle Angle of retardation Synchronising angle Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 10 percent Zero 2 percent 4 percent 10 percent Zero 2 percent 4 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. Unity 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Supply frequency Mechanical load None of the listed here Field excitation Supply frequency Mechanical load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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